An antral lesion

This lesion was found in the antrum. The histology is also attached. 
WHAT IS THE LIKELY DIAGNOSIS?

■ Hyperplastic polyp

Would be red with white caps!

■ Adenomatous polyp

Yes and histology confirms HGD only

■ Superficial gastric cancer

Could be but histology is benign...

explanation

Most EGC's look a little like basal cell carcinomas with an elevated rim surrounding a central depression. This is a good example of what an EGC could look like. As it happens though, it only harbours HGD. Because you can't really tell endoscopically (the pathologists struggled as well to make a distinction sometimes) 

There are more than one type of 'gastric adenoma': 

1. Intestinal-type adenoma
2. Foveolar-type adenoma
3. Pyloric gland adenoma

This was reported as an intestinal type adenoma harbouring HGD !